Hepatitis Flashcards

1
Q

Interferones

Que son

A

Citocinas tipo 1: alfa, beta y tipo 2: gamma (efectos reguladores más potentes)

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2
Q

Interferones

Mecanismo

A

Unen receptores específicos que por jak-stat detienen síntesis de proteínas
Inducen proteincinasa, fosfodiesterasa
Inhiben glucosiltransferasa

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3
Q

Interferones

Resistencia

A

Inhibición de proteincinasa

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4
Q

Interferones

Farmacocinetica

A

Pegilacion

No absorbe VO
No va a líquidos

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5
Q

Interferones

Efectos adversos

A

Síndrome gripal en 75%
Dependen de dosis: mielosupresion reversible, SNC

Tiroiditis, CV, alopecia

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6
Q

Interferones

Uso

A

VHC, B
Condiloma acuminado
Kaposi
Cancer

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7
Q

Interferones

Hepatitis B

A

Solo en enfermedad compensada

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8
Q

Interferones

Hepatitis C

A

Combinado con ribavirina

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9
Q

Nuevos tratamientos

A

Hepatitis C: previr, buvir, asvir

Triple terapia: interferones, ribavirina, telaprevir

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10
Q

Lamivudina

Generalidades

A

Antirretroviral VHB
No mejora en combinación
Profilaxis de transplante

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11
Q

Lamivudina

Resistencia

A

Mutación de ADN Pol de VHB
Resistencia cruzada
Aumenta con el tiempo

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12
Q

Lamivudina

Farmacocinetica

A

No se modifica por alimentos
TMP disminuye depuración
Interrupción puede tener rebote

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13
Q

Ribavirina

Farmacocinetica

A

BD aumenta con comida

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14
Q

Ribavirina

Efectos adversos

A

Teratogena, oncogena, goandotoxica

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15
Q

Ribavirina

Uso

A

Oral, en aerosol para bronquiolitis

IV infección grave de influenza, infección de hantavirus

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